Pick Four: Gravity, Quantum, Length, Width, Depth

In my late teenage years I grew fond of Scientific American. Although language caused a barrier, and while I could digest and understand only some of the articles, the popscience presented opened my eyes to exciting developments and invited me to study further the subjects presented. These days, many years later, I still glance through the magazine, but generally with less enthusiasm. Today's editions seem packed with rather superficial information, and the articles tend to be less inviting towards further studies. Yet, once in a while, a hidden jewel attracts my attention. Such is the case this month with an article by Steve Carlip from UC Davis. Subject is quantum gravity. Quantum gravity in a pancake universe, that is.  read more

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